[jira] [Created] (SPARK-12421) Fix copy() method of GenericRow

["Burkard Doepfner (JIRA)" <ji...@apache.org>]

Burkard Doepfner created SPARK-12421:
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             Summary: Fix copy() method of GenericRow 
                 Key: SPARK-12421
                 URL: https://issues.apache.org/jira/browse/SPARK-12421
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.6.0
            Reporter: Burkard Doepfner
            Priority: Minor


The copy() method of the GenericRow class does actually not copy itself. The method just returns itself.

Simple reproduction code of the issue:
 import org.apache.spark.sql.Row;
    val row = Row.fromSeq(Array(1,2,3,4,5))
    val arr = row.toSeq.toArray
    arr(0) = 6
    row // first value changed to 6
    val rowCopied = row.copy()
    val arrCopied = rowCopied.toSeq.toArray
    arrCopied(0) = 7
    row // first value still changed (to 7)



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